Vacuum cleaner



FIG. 1 is a front top perspective view of the vacuum cleaner according to the invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a rear bottom perspective view thereof. 

The ornamental design for a vacuum cleaner, as shown and described. 